2547473723 has 4 divisors (see below), whose sum is σ = 2547599280. Its totient is φ = 2547348168.

The previous prime is 2547473713. The next prime is 2547473729. The reversal of 2547473723 is 3273747452.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2547473723 - 2¹⁰ = 2547472699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2547473729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24608 + ... + 75501.

It is an arithmetic number, because the mean of its divisors is an integer number (636899820).

Almost surely, 2^2547473723 is an apocalyptic number.

2547473723 is a deficient number, since it is larger than the sum of its proper divisors (125557).

2547473723 is a wasteful number, since it uses less digits than its factorization.

2547473723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125556.

The product of its digits is 987840, while the sum is 44.

The square root of 2547473723 is about 50472.5046238048. The cubic root of 2547473723 is about 1365.7458965475.

The spelling of 2547473723 in words is "two billion, five hundred forty-seven million, four hundred seventy-three thousand, seven hundred twenty-three".